优质食味粳稻控混肥一次性基施效应

蒋伟勤,胡群,俞航,马会珍,任高磊,马中涛,朱盈,魏海燕,张洪程,刘国栋,胡雅杰,郭保卫

Effect of One-Time Basal Application of the Mixed Controlled-Release Nitrogen Fertilizer in Japonica Rice with Good Taste Quality

JIANG WeiQin,HU Qun,YU Hang,MA HuiZhen,REN GaoLei,MA ZhongTao,ZHU Ying,WEI HaiYan,ZHANG HongCheng,LIU GuoDong,HU YaJie,GUO BaoWei

表10 不同控混肥方式下优质食味粳稻氮素利用的差异

Table 10 Differences in nitrogen use of japonica rice with good taste quality under different combination of controlled-release fertilizers

品种 Cultivar 处理 Treatment 氮肥偏生产力 NPFP (kg·kg-1) 氮素干物质生产效率NUEB (kg·kg-1) 氮素籽粒生产效率NUEG (kg·kg-1) 氮肥农学利用率 NAE (kg·kg-1) 氮肥表观利用率 ANE (%) 2018 2019 2018 2019 2018 2019 2018 2019 2018 2019 南粳9108 Nanjing9108 60 d+40 d 34.87d 38.34d 100.77a 102.34a 51.21a 55.36a 13.26d 15.74d 35.83d 35.80e 60 d+80 d 35.04d 38.54cd 100.72a 101.87a 50.85ab 55.17a 13.43d 15.94cd 36.64d 36.40e 80 d+60 d 36.36c 39.60bc 99.50ab 99.69bc 50.20abc 53.42b 14.75c 17.00bc 40.16c 40.68d 80 d+100 d 37.15bc 40.39b 97.62b 98.74cd 49.11c 52.60b 15.54bc 17.79b 43.38a 43.34bc 100 d+80 d 38.42a 41.61a 98.83ab 100.17b 50.19abc 53.46b 16.80a 19.01a 44.28a 44.37ab 100 d+120 d 37.68ab 41.66a 97.53b 98.87bcd 49.27c 52.80b 16.07ab 19.06a 44.21a 45.45a CK 36.62bc 39.83b 99.38ab 98.08d 49.66bc 52.86b 15.01bc 17.23b 41.48b 41.90cd 丰粳1606 Fengjing1606 60 d+40 d 33.26d 35.94d 96.01a 96.72a 48.57a 50.49a 12.99d 14.40d 35.57c 36.48c 60 d+80 d 33.45d 36.21d 95.97a 95.96a 48.17ab 50.19a 13.18d 14.68d 36.54c 37.45c 80 d+60 d 34.27cd 37.38c 93.29b 95.02a 46.74bc 49.38a 14.00cd 15.84c 40.42b 41.02b 80 d+100 d 35.49ab 38.14bc 92.26b 94.12a 46.45c 48.67a 15.22ab 16.61bc 43.52a 43.68a 100 d+80 d 35.95a 39.50a 93.09b 96.22a 46.75bc 49.99a 15.68a 17.97a 44.00a 44.32a 100 d+120 d 35.62ab 39.14ab 91.88b 95.26a 46.19c 49.20a 15.35ab 17.61ab 44.21a 44.86a CK 34.60bc 37.76c 92.30b 95.27a 46.32c 49.66a 14.33bc 16.23c 41.79b 41.34b